Question

consider a car moving on a straight road with a speed of 100ms. what is the distance in which car can stopped if cofficient of frictin is 0.5

Answer 1

f.s =1/2 m (v^2-u^2) ,f= -umg m cancels out each other and v is zero ie ugs=1/2×100^2=5000= gives s to be 1000

Answer 2

here is your answer that is 1000 m